From: drowe67 Date: Thu, 22 Oct 2015 08:56:19 +0000 (+0000) Subject: initial sm2000 repo X-Git-Url: http://git.whiteaudio.com/gitweb/?a=commitdiff_plain;h=501c77c94b963044ea68ec2f5b66e097dc282ddc;p=freetel-svn-tracking.git initial sm2000 repo git-svn-id: https://svn.code.sf.net/p/freetel/code@2465 01035d8c-6547-0410-b346-abe4f91aad63 --- diff --git a/sm2000/doc/sm201- Block Diagram v0.1.ppt b/sm2000/doc/sm201- Block Diagram v0.1.ppt new file mode 100644 index 00000000..ed9245f3 Binary files /dev/null and b/sm2000/doc/sm201- Block Diagram v0.1.ppt differ diff --git a/sm2000/doc/sm202 Task List.txt b/sm2000/doc/sm202 Task List.txt new file mode 100644 index 00000000..c27361fa --- /dev/null +++ b/sm2000/doc/sm202 Task List.txt @@ -0,0 +1,90 @@ +[ ] Goals + [ ] Demonstrate TDMA repeater + [ ] superior weak signal performance (-135dBm) + [ ] diversity to handle multipath + [ ] wideband audio + [ ] high bit rate data + [ ] low cost + [ ] Full SDR so we can define waveform + [ ] SSB up and down converters to allow full waveform control + [ ] no SoCs + +[ ] Doc + [ ] Block diagram + [ ] Uses cases in paragraph form + [ ] Gain, NF, IP3 budget spreadsheet + [ ] Power supply budget spreadsheet + +[ ] RF Specs + + these are targets, main goals are functional, leave + others to get sparkling RF performance + [ ] spurious tx emissions -45dBC @ 1W + [ ] IP3 10dBm + [ ] Blocking 95dB + [ ] System NF 2dB + [ ] ACS 50dB, + [ ] MDS (1200Hz) -135dBm, + [ ] Tx phase noise -124dBc/Hz ?? + +[ ] Parts Selection + [ ] New audio amp chip + + bit better, higher power than LM386 + [ ] should we add a LCD? + + how would this be used? + [ ] General purpose VHF transistors + [X] 1st mixer: ADE-1 + [ ] RF switches + [ ] 1W PA transistor + [ ] LCD + [ ] encoder + [ ] first LO: Si5351 + + also 2nd LO + [ ] optional Si570 + + low phase noise soldered in option, provide footprint + + Si5351 still used as 2nd LO + [ ] how to select Si570? + + jumper 0hm resistor? + +[ ] Use Cases + [ ] VHF FM radio + [ ] Open Source VHF DV radio + [ ] Low MDS + [ ] TDMA Repeater + [ ] Setting frequencu and mode + + how to select frequency? What combinations of buttons + and encoder. + + do we need a full 0-9 keyboard? + + should we use a PC or remote device as primary input device + + does position of buttons/encoders/style of buttons make it easy + to use, e.g. set a frequency + [ ] Chnaging waveform + +[ ] Software Modules + [ ] VHF Modem + [ ] VHF protocol + [ ] TDMA framework around modem, burst modem + [ ] New Drivers + [ ] LCD + [ ] Encoder + [ ] Si570 + [ ] Si5351 + [ ] UI for setting a frequency + [ ] USB console + +[ ] Risks + + and experiments/tasks/prototypes to mitigate + [ ] DAC and ADC tied together + + demo tx/rx switching using this approach + [ ] Can we use ADE-1 bir-directional? + + what about diplexor? + [ ] Investigate use of other mixers + + but doesnt have to be perfect? + [ ] Celestra mixer + [ ] Glens + [ ] coupled res in shielded box or cots part? + [ ] how to swithc mixer/xtal filter + [ ] what else wcould er use instead of NE602? + +[ ] PCB layout + [ ] where do we put shilds + [ ] how to fabricate? diff --git a/smartmic/sm2000/doc/sm201- Block Diagram v0.1.ppt b/smartmic/sm2000/doc/sm201- Block Diagram v0.1.ppt deleted file mode 100644 index ed9245f3..00000000 Binary files a/smartmic/sm2000/doc/sm201- Block Diagram v0.1.ppt and /dev/null differ diff --git a/smartmic/sm2000/doc/sm202 Task List.txt b/smartmic/sm2000/doc/sm202 Task List.txt deleted file mode 100644 index c27361fa..00000000 --- a/smartmic/sm2000/doc/sm202 Task List.txt +++ /dev/null @@ -1,90 +0,0 @@ -[ ] Goals - [ ] Demonstrate TDMA repeater - [ ] superior weak signal performance (-135dBm) - [ ] diversity to handle multipath - [ ] wideband audio - [ ] high bit rate data - [ ] low cost - [ ] Full SDR so we can define waveform - [ ] SSB up and down converters to allow full waveform control - [ ] no SoCs - -[ ] Doc - [ ] Block diagram - [ ] Uses cases in paragraph form - [ ] Gain, NF, IP3 budget spreadsheet - [ ] Power supply budget spreadsheet - -[ ] RF Specs - + these are targets, main goals are functional, leave - others to get sparkling RF performance - [ ] spurious tx emissions -45dBC @ 1W - [ ] IP3 10dBm - [ ] Blocking 95dB - [ ] System NF 2dB - [ ] ACS 50dB, - [ ] MDS (1200Hz) -135dBm, - [ ] Tx phase noise -124dBc/Hz ?? - -[ ] Parts Selection - [ ] New audio amp chip - + bit better, higher power than LM386 - [ ] should we add a LCD? - + how would this be used? - [ ] General purpose VHF transistors - [X] 1st mixer: ADE-1 - [ ] RF switches - [ ] 1W PA transistor - [ ] LCD - [ ] encoder - [ ] first LO: Si5351 - + also 2nd LO - [ ] optional Si570 - + low phase noise soldered in option, provide footprint - + Si5351 still used as 2nd LO - [ ] how to select Si570? - + jumper 0hm resistor? - -[ ] Use Cases - [ ] VHF FM radio - [ ] Open Source VHF DV radio - [ ] Low MDS - [ ] TDMA Repeater - [ ] Setting frequencu and mode - + how to select frequency? What combinations of buttons - and encoder. - + do we need a full 0-9 keyboard? - + should we use a PC or remote device as primary input device - + does position of buttons/encoders/style of buttons make it easy - to use, e.g. set a frequency - [ ] Chnaging waveform - -[ ] Software Modules - [ ] VHF Modem - [ ] VHF protocol - [ ] TDMA framework around modem, burst modem - [ ] New Drivers - [ ] LCD - [ ] Encoder - [ ] Si570 - [ ] Si5351 - [ ] UI for setting a frequency - [ ] USB console - -[ ] Risks - + and experiments/tasks/prototypes to mitigate - [ ] DAC and ADC tied together - + demo tx/rx switching using this approach - [ ] Can we use ADE-1 bir-directional? - + what about diplexor? - [ ] Investigate use of other mixers - + but doesnt have to be perfect? - [ ] Celestra mixer - [ ] Glens - [ ] coupled res in shielded box or cots part? - [ ] how to swithc mixer/xtal filter - [ ] what else wcould er use instead of NE602? - -[ ] PCB layout - [ ] where do we put shilds - [ ] how to fabricate?